Thermal Transfer Pads

Thermal transfer pads are used to improve the heat transfer capability between two surfaces.

What are thermal transfer pads used for?

Thermal transfer pads are used to aid in the transfer of heat away from a component and into a solid state relay heatsink. Components such as solid state relays or central processing unit generate heat during operation and need to be effectively cooled to prevent failure or damage.

How do thermal transfer pads work?

Thermal transfer pads are installed between the solid state relay or other component and the heatsink surface. The pads are designed to cover up the entire mating area between the heatsink and the solid state relay, leaving no air gaps, voids, run-out or build-up.

The pads come in a wide array of different colours and can be die cut for use with solid state relays. They're made of thermal conductors such as aluminium, usually covered with a thin layer of dry thermal-transfer material on each side. This material will soften when exposed to the solid state relay’s heat and offer some thermal expansion to fill gaps at higher temperatures.


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Description Price For Use With Accessory Type
RS Stock No. 910-7343
Mfr. Part No.HSP-7
$0.95
Each
units
PM22 Series / Half-Puck Package SSR / Non-Adhesive Thermal Pad Thermal Pad
RS Stock No. 775-3177
Mfr. Part No.RGHT
$7.20
1 Pack of 10
Pack(s)
RGS Series Thermal Pad
RS Stock No. 743-4863
Mfr. Part No.HSP-2
$11.87
1 Bag of 5
Bag(s)
M59 Series Thermal Pad
RS Stock No. 743-4860
Mfr. Part No.HSP-1
$13.63
1 Bag of 5
Bag(s)
M59 Series Thermal Pad
RS Stock No. 743-4867
Mfr. Part No.HSP-3
$16.26
Each
units
53RV Series, 53TP Series Thermal Pad
RS Stock No. 743-4876
Mfr. Part No.HSP-5
$11.92
Each
units
53RV Series, 53TP Series Thermal Pad
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